- 2 -
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PRECAUTIONS
General Prohibitions
Prohibition on Subjecting the Unit to Water
Prohibition to Dismantle the Unit
General Precautions
WARNING
(Negligence could result in death or serious injury.)
1. High voltage is present internally. Do not open the case. Electric shock could result.
2. Do not dismantle or alter the unit. Fire or electric shock could result.
3. Do not connect non-specified power sources to the +, - terminals. Also, do not install
two power supplies in parallel to a single input. Fire or damage to the unit could result.
4. Keep the unit away from water or any other liquid. Fire or electric shock could result.
5. Do not put any metal or flammable material into the unit through the openings.
Fire or electric shock could result.
6. Do not use a power supply with a voltage other than the specified voltage. Fire or
electric shock could result.
7. Do not connect any terminal on the unit to an AC power line. Fire or electric shock
could result.
CAUTION
(Negligence could result in injury to people or damage to property.)
1. Do not install or make any wire terminations while power supply is plugged in. It
can cause electrical shock or damage to the unit.
2. Before turning on power, make sure wires are not crossed or shorted. If not, fire or
electric shock could result.
3. When mounting the unit on a wall, install the unit in a convenient location, but not
where it could be jarred or bumped. Injury could result.
4. For power supply, use Aiphone power supply model or model specified for use
with system. If non-specified product is used, fire or malfunction could result.
5. Do not install the unit in any of the following locations. Fire, electric shock, or unit
trouble could result.
* Places under direct sunlight or places near heating equipment that varies in temperature.
* Places subject to dust, oil, chemicals, etc.
* Places subject to moisture and humidity extremes, such as bathrooms, cellars,
greenhouses, etc.
* Places where the temperature is quite low, such as inside a refrigerated area or in
front of an air conditioner.
* Places subject to steam or smoke (near heating or cooking surfaces).
* Where noise generating devices such as dimmer switches or inverter electrical
appliances are close by.
* Do not install the unit in locations subject to frequent vibration or impact.
6. Do not put anything on the unit or cover the unit with cloth, etc. Fire or unit trouble
could result.
General Precautions
1. Keep the unit more than 1 m away from radio or TV set.
2. This unit is for indoor use only. Do not use outdoors.
3. In areas where broadcasting station antennas are close by, the intercom system may be
affected by radio frequency interference.
4. As for devices from other manufacturers (such as sensors, detectors, door releases)
used with this system, comply with the specifications and warranty conditions from
the manufacturer or vender.
5. Keep the intercom wires at least 30 cm (12") away from AC 100-240 V lines. Noise
and malfunction could result.
6. If the unit is down or does not operate properly, unplug the power supply or turn off
the JK-1MED, JK-1MD, and JK-1SD POWER switches.
7. The unit is for wall-mount use only. For desktop applications, use desk stand.
8. When wall-mounted, the top of the unit may darken. This does not indicate a
malfunction.
9. The unit case may become warm with use, but this is not a unit malfunction.
10. If a cellular phone is used close by, the unit may malfunction.
11. Talk within 50 cm (20") or less from the unit. If you stand too far away, it may be
difficult for the other person to hear the communication.
12. If there are loud noises around the unit (such as music playing or children crying), the
sound may break up and be difficult to hear.
13. During communication, if you speak before the other person has finished talking, your
voice may not be heard. Communication will proceed smoothly if you wait until the
other person has finished before speaking.
14. Noise from the surrounding area may sometimes hinder natural communication, but
this is not a malfunction.
15. This unit is not interchangeable with JA, JF, KB, and KC series units.
1
PACKAGE CONTENTS
JK-1SD
Mounting screws x 2
Wood mounting screws x 2
Installation & Operation manual
2
INSTALLATION
2-1 Mounting locations
The JK-1SD has switches on both sides. Allow at least 5 cm (2") of open space on either side.
Allow at least 15 cm (6") of vertical open space from the center of the mounting bracket in order to mount the JK-1SD.
JK-1SD
+ 5 cm
(2")
+ 5 cm
(2")
+ 15 cm
(6")
JK-1SD_multi.indb 2
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